{"id":"GO-2025-4170","summary":"Mattermost fails to to verify the token used during code exchange in github.com/mattermost/mattermost-server","details":"Mattermost fails to to verify the token used during code exchange in github.com/mattermost/mattermost-server.\n\nNOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.\n\n(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)\n\nThe additional affected modules and versions are: github.com/mattermost/mattermost-server from v10.5.0 before v10.5.13, from v10.11.0 before v10.11.5, from v10.12.0 before v10.12.2, from v11.0.0 before v11.0.3.","aliases":["CVE-2025-12421","GHSA-mp6x-97xj-9x62"],"modified":"2026-03-17T05:05:41.781015Z","published":"2025-12-15T20:33:49Z","database_specific":{"review_status":"UNREVIEWED","url":"https://pkg.go.dev/vuln/GO-2025-4170"},"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-mp6x-97xj-9x62"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12421"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/5072bbf689a46b3b97b2373f26149f5891396e6b"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/acda1fb5dd46a2f46c76ae67012423c760525eaa"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/f361e7d75a7ab9df5a2106e1ceb919b94b55e41d"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/feb598ed2b7ac3cb78a253b032ad7e4628b0de00"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"affected":[{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{"custom_ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.5.0"},{"fixed":"10.5.13"},{"introduced":"10.11.0"},{"fixed":"10.11.5"},{"introduced":"10.12.0"},{"fixed":"10.12.2"},{"introduced":"11.0.0"},{"fixed":"11.0.3"}]}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2025-4170.json"}},{"package":{"name":"github.com/mattermost/mattermost-server/v5","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server/v5"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2025-4170.json"}},{"package":{"name":"github.com/mattermost/mattermost-server/v6","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server/v6"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2025-4170.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.0.0-20251022210333-acda1fb5dd46"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2025-4170.json"}}],"schema_version":"1.7.5"}